We are Tosoh Quartz, Inc. (TQI), the world's leading manufacturer of quartz glassware for the semiconductor industry. With locations in Portland, OR and Durham, UK, we have been dedicated to uncompromising quality and service since our founding in 1957. Our purpose is to transform Earth’s most useful natural substance into products that benefit humanity. 

Semiconductor

Tosoh Quartz, Inc.

Roger Wood

Melisa Parker

Cathy McDonald

Diana Koegler

Maximilian Tjipto

Cameron Helikson Csp

Karen Hazlett

Don Price

David White

Clyde Loftis

Laura Dubois

Richard Green

James Foley

The Leadership Team at Tosoh Quartz, Inc. is responsible for setting the strategic direction of the company, ensuring operational excellence, driving innovation, and fostering a culture of quality and service. This team collaborates to make high-level decisions that support the company's mission of transforming quartz glassware for the semiconductor industry to benefit humanity.

Leadership Team

Engineering

Management Team

Technical Team

Leadership Team

About

Team members

Other teams at Tosoh Quartz, Inc.

Engineering

Management Team

Technical Team